m-Happy is a free application designed for all residential customers HEP supply.All customers can calculate the savings on electricity bill and apply for the contracting of electricity supply.

Secure and practical application provides the ability for registered users:· Online review of accounts and payments· INVOICE and slips· Overview of consumption in previous periods· Review of data on contracts and tariff models· Access points in the Happy Club· Substitutes Happy Club points for rewards· Paying bills by credit card

All the functionality of the application can be used after creating a user account and log on.